/macÂ·ule/ (mÄÂ´kÅ«l) a discolored spot on the skin that is not raised above the surface. (mÄkâ²yoÍolâ²) n. A discolored spot or area on the skin that is not elevated above the surface and is characteristic of certain conditions, such as smallpox, purpura, or roseola. Also called macula.
stock option(noun) the right to buy or sell a stock at a specified price within a stated period. stock option(noun) a benefit given by a company to an employee in the form of an option to buy stock in the company at a discount or at a fixed price. stock options are not much use as an incentive if the price at which they can be exercised is out of reach.
Similarly, a stock option is a derivative because its value is derived from that of the underlying stock. Derivatives are used for speculating and hedging purposes. Speculators seek to profit from changing prices in the underlying asset, index or security.y Jean Folger AAA |. A: A derivative is a contract between two or more parties whose value is based on an agreed-upon underlying financial asset, index or security.